subside

i. [Lat. subsido, from sub =under, and sido to settle, allied to sedeo =to sit.] 1. To sink or fall to the bottom; to settle, as lees. "A large tract of country, of which it was part, subsided by some convulsion of nature, and was swallowed up in the ocean." -Cook : First Voyage , bk. iii., ch. xv. *2. To tend downward; to sink. "With terror trembled heav'n's subsiding hill." Dryden: Homer's Iliad, i. 711. 3. To settle down; to fall into a state of calm. or quiet; to be calmed or quieted; to become tranquil. "When the storm of laughter had subsided, several members stood up to vindicate the accused statesman."Macaulay: Hist . Eng ., ch. xv.